Re: Much Ado About COUNT(*)

Поиск
Список
Период
Сортировка
От Tom Lane
Тема Re: Much Ado About COUNT(*)
Дата
Msg-id 4863.1105588257@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: Much Ado About COUNT(*)  (Greg Stark <gsstark@mit.edu>)
Список pgsql-hackers
Greg Stark <gsstark@mit.edu> writes:
> I thought toast only handled having individual large columns. So if I have a
> 2kb text column it'll pull that out of the table for me. But if I have 20
> columns each of which have 100 bytes will it still help me? Will it kick in if
> I define a single column which stores a record type with 20 columns each of
> which have a 100 byte string?

Yes, and yes.
        regards, tom lane


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Greg Stark
Дата:
Сообщение: Re: Much Ado About COUNT(*)
Следующее
От: Bruce Momjian
Дата:
Сообщение: Re: Much Ado About COUNT(*)